Finding the Fourth Proportional to 721,289.17, 1,082,032.18 and 300,466.63
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Solution
The fourth proportional to 721,289.17, 1,082,032.18 and 300,466.63 is: 450,740.95
Step by Step Solution
- Step 1: Write the proportion equation
721,289.17 : 1,082,032.18 = 300,466.63 : x - Step 2: Convert to fraction form
721,289.17/1,082,032.18 = 300,466.63/x - Step 3: Cross multiply
721,289.17x = 1,082,032.18 × 300,466.63 - Step 4: Simplify right side
721,289.17x = 325,114,562,676.15 - Step 5: Solve for x
x = 325,114,562,676.15/721,289.17 - Step 6: Final answer
x = 450,740.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.